/* PLUMB PERFECT PLUMBING - styles.css  (build 3: centered, photo-led, scroll-in)
   Layer order: reset, tokens (tokens.css), base, layout, components,
   pages, motion, utilities. Every color and size is a token. Zero radius,
   zero shadows. Naming: block__element, state as .is-* or ARIA. */

@layer reset, tokens, base, layout, components, pages, motion, utilities;

/* ============================================================ RESET */
@layer reset {
  *, *::before, *::after { box-sizing: border-box; }
  html { -webkit-text-size-adjust: 100%; scrollbar-gutter: stable; }
  body, h1, h2, h3, p, ul, ol, figure, figcaption, dl, dd { margin: 0; }
  ul[role="list"], ol[role="list"] { list-style: none; padding: 0; }
  img, svg, video, picture { display: block; max-width: 100%; height: auto; }
  svg { display: block; }
  button, input, select, textarea { font: inherit; color: inherit; }
  button { cursor: pointer; }
  a { color: inherit; }
}

/* ============================================================= BASE */
@layer base {
  html { background: var(--navy); scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }
  html.nav-open { overflow: hidden; }
  @media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

  body {
    background: var(--white); color: var(--navy);
    font-family: var(--font-body); font-weight: var(--w-body);
    font-size: var(--t-2); line-height: var(--lh-body);
    overflow-wrap: anywhere;
    padding-block-end: calc(var(--callbar-h) + env(safe-area-inset-bottom));
  }
  @media (min-width: 900px) { body { padding-block-end: 0; } }

  h1, h2, h3, .display {
    font-family: var(--font-display); font-weight: var(--w-display); font-stretch: var(--stretch-display);
    line-height: var(--lh-tight); letter-spacing: -.012em; text-wrap: balance;
  }
  h1 { font-size: var(--t-h1); }
  h2 { font-size: var(--t-h2); }
  h3 { font-size: var(--t-4); }
  p  { max-width: var(--measure); text-wrap: pretty; }
  a  { text-decoration-thickness: 2px; text-underline-offset: .18em; }
  [id] { scroll-margin-top: calc(var(--header-h) + 16px); }
  :focus-visible { outline: 3px solid var(--red); outline-offset: 3px; }
  @media (hover: hover) and (pointer: fine) { a:hover { text-decoration-thickness: 3px; } }

  @font-face {
    font-family: "Archivo Fallback";
    src: local("Arial Narrow"), local("Arial");
    size-adjust: 104%; ascent-override: 92%; descent-override: 22%;
  }
}

/* =========================================================== LAYOUT */
@layer layout {
  .c        { width: min(100% - 2 * var(--gutter), var(--wide));   margin-inline: auto; }
  .c--mid   { width: min(100% - 2 * var(--gutter), var(--mid));    margin-inline: auto; }
  .c--narrow{ width: min(100% - 2 * var(--gutter), var(--narrow)); margin-inline: auto; }

  .section { padding-block: var(--section); }
  .section--navy  { background: var(--navy); color: var(--white); }
  .section--white { background: var(--white); color: var(--navy); }
  .section--steel { background: var(--steel); color: var(--navy); }

  /* Section head: heading, one line, a short red bar that draws in. */
  .head { text-align: center; margin-block-end: var(--s-7); }
  .head h2 { margin-inline: auto; }
  .head p  { margin: var(--s-4) auto 0; color: var(--ink-muted); max-width: 54ch; font-size: var(--t-3); }
  .section--navy .head p { color: var(--steel); }
  .bar { display: block; width: 72px; height: 5px; background: var(--red); margin: var(--s-5) auto 0; transform-origin: center; }

  /* The divider between two white sections: one plain red line. */
  .line { display: block; width: min(100% - 2 * var(--gutter), var(--wide)); height: 2px; margin: 0 auto; border: 0; background: var(--red); }
  .section:has(+ .line) { padding-block-end: var(--s-8); }
  .line + .section { padding-block-start: var(--s-8); }
}

/* ======================================================= COMPONENTS */
@layer components {

  /* ---- header ---------------------------------------------------- */
  .site-header {
    position: sticky; top: 0; z-index: 10;
    min-height: var(--header-h); padding-inline: var(--gutter);
    padding-block-start: env(safe-area-inset-top);
    display: flex; align-items: center; gap: var(--s-4);
    background: var(--navy); color: var(--white);
    border-block-end: 1px solid var(--line-on-navy);
  }
  .brand { display: block; margin-inline-end: auto; }
  .brand img { height: 52px; width: auto; }
  .desktop-nav { display: none; }
  @media (min-width: 900px) {
    .desktop-nav { display: flex; gap: var(--s-6); margin-inline-end: var(--s-6); }
    .desktop-nav a { position: relative; color: var(--white); text-decoration: none; font-weight: var(--w-display); font-size: var(--t-1); padding-block: var(--s-2); }
    .desktop-nav a::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 3px; background: var(--red); transform: scaleX(0); transform-origin: left; transition: transform var(--t-std) var(--ease-out); }
    .desktop-nav a[aria-current="page"]::after, .desktop-nav a:hover::after { transform: scaleX(1); }
    .nav-toggle { display: none !important; }
  }
  .site-header .btn { white-space: nowrap; }

  /* ---- buttons, nine states --------------------------------------- */
  .btn {
    display: inline-flex; align-items: center; justify-content: center; gap: .35em;
    min-height: 48px; padding: var(--s-3) var(--s-5);
    font-family: var(--font-display); font-weight: var(--w-display); font-size: var(--t-2); line-height: 1;
    text-decoration: none; border: 2px solid transparent; border-radius: var(--radius);
    background: var(--red); color: var(--white);
    transition: transform var(--t-micro) var(--ease-out), background-color var(--t-std) var(--ease-out), color var(--t-std) var(--ease-out);
    -webkit-tap-highlight-color: transparent;
  }
  @media (hover: hover) and (pointer: fine) {
    .btn:hover { background: color-mix(in oklch, var(--red) 88%, var(--navy)); }
    .btn--ghost:hover { background: var(--white); color: var(--navy); }
    .section--white .btn--ghost:hover, .section--steel .btn--ghost:hover { background: var(--navy); color: var(--white); }
  }
  .btn:focus-visible { outline-color: var(--white); }
  .section--white .btn:focus-visible, .section--steel .btn:focus-visible { outline-color: var(--navy); }
  .btn:active { transform: scale(.97); }
  .btn--ghost { background: transparent; border-color: currentColor; color: inherit; }
  .btn--sm { min-height: 40px; padding: var(--s-2) var(--s-4); font-size: var(--t-1); }
  .btn--lg { min-height: 56px; padding: var(--s-4) var(--s-6); font-size: var(--t-3); }
  .btn[disabled], .btn[aria-disabled="true"] { background: var(--steel-muted); color: var(--white); cursor: not-allowed; transform: none; }
  .btn[aria-busy="true"] { position: relative; color: transparent; pointer-events: none; }
  .btn[aria-busy="true"]::after { content: ""; position: absolute; inset: 0; margin: auto; width: 18px; height: 18px; border: 3px solid var(--white); border-inline-end-color: transparent; border-radius: 50%; animation: spin 700ms linear infinite; }
  .btn.is-success { background: var(--navy); }
  .btn.is-error   { background: var(--red-ink); }
  .btn.is-empty   { background: transparent; color: var(--ink-muted); border-color: var(--line-on-white); }
  @keyframes spin { to { transform: rotate(360deg); } }
  .btns { display: flex; gap: var(--s-3); justify-content: center; flex-wrap: wrap; }

  /* ---- facts ------------------------------------------------------ */
  .facts { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s-5); text-align: center; }
  .fact b { display: block; font-family: var(--font-display); font-weight: var(--w-display); font-size: var(--t-num); line-height: 1; color: var(--red-ink); }
  .fact span { display: block; font-size: var(--t-1); margin-block-start: var(--s-2); }
  @media (min-width: 700px) {
    .facts { grid-template-columns: repeat(4, auto); justify-content: center; gap: 0; }
    .fact { padding-inline: clamp(24px, 4vw, 60px); }
    .fact + .fact { border-inline-start: 1px solid var(--line-on-white); }
  }

  /* ---- services list: plain, readable, a red edge per item -------- */
  .svc { display: grid; gap: var(--s-6) var(--s-7); }
  @media (min-width: 640px) { .svc { grid-template-columns: 1fr 1fr; } }
  @media (min-width: 1000px) { .svc { grid-template-columns: repeat(3, 1fr); } }
  .svc__item { border-inline-start: 4px solid var(--red); padding-inline-start: var(--s-4); }
  .svc__item h3 { font-size: var(--t-4); margin-block-end: var(--s-2); }
  .svc__item p { color: var(--ink-muted); font-size: var(--t-1); }
  .svc__item a { display: inline-block; margin-block-start: var(--s-3); font-weight: var(--w-display); font-size: var(--t-1); color: var(--red-ink); }

  /* ---- photos ------------------------------------------------------ */
  .photo { position: relative; overflow: hidden; background: var(--navy); }
  .photo picture, .photo img { position: absolute; inset: 0; width: 100%; height: 100%; }
  .photo img { object-fit: cover; }
  .photo--4x5 { aspect-ratio: 4 / 5; }
  .photo--4x3 { aspect-ratio: 4 / 3; }
  .photo--3x2 { aspect-ratio: 3 / 2; }
  .work { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s-4); }
  @media (min-width: 900px) { .work { grid-template-columns: repeat(3, 1fr); gap: var(--s-5); } }
  .work figure { margin: 0; }
  .work figcaption { padding-block: var(--s-3) var(--s-2); border-block-end: 1px solid var(--line-on-white); font-size: var(--t-1); color: var(--ink-muted); }
  .work figcaption b { display: block; color: var(--navy); font-family: var(--font-display); font-weight: var(--w-display); font-size: var(--t-2); }
  @media (hover: hover) and (pointer: fine) {
    .work .photo img { transition: transform 600ms var(--ease-out); }
    .work figure:hover .photo img { transform: scale(1.04); }
  }

  /* ---- steps (a real sequence, so it gets numbers) ------------------ */
  .steps { display: grid; gap: var(--s-6); counter-reset: step; text-align: center; }
  @media (min-width: 700px) { .steps { grid-template-columns: repeat(3, 1fr); gap: var(--s-7); } }
  .steps li { counter-increment: step; }
  .steps li::before { content: counter(step); display: grid; place-items: center; width: 56px; height: 56px; margin: 0 auto var(--s-4); background: var(--red); color: var(--white); font-family: var(--font-display); font-weight: var(--w-display); font-size: var(--t-5); }
  .steps h3 { font-size: var(--t-4); margin-block-end: var(--s-2); }
  .steps p { color: var(--steel); font-size: var(--t-1); margin-inline: auto; }

  /* ---- forms, nine states on the field ---------------------------- */
  .form { display: grid; gap: var(--s-5); }
  .field label, .field legend { display: block; font-family: var(--font-display); font-weight: var(--w-display); font-size: var(--t-1); margin-block-end: var(--s-2); }
  .field .hint { display: block; color: var(--ink-muted); font-size: var(--t-1); margin-block-start: var(--s-1); }
  .field .error { display: none; color: var(--red-ink); font-size: var(--t-1); font-weight: var(--w-display); margin-block-start: var(--s-1); }
  .field input, .field select, .field textarea {
    width: 100%; min-height: 48px; padding: var(--s-3); font-size: 16px;
    background: var(--white); color: var(--navy); border: 2px solid var(--navy); border-radius: var(--radius);
    transition: border-color var(--t-std) var(--ease-out), background-color var(--t-std) var(--ease-out);
  }
  .field textarea { min-height: 140px; resize: vertical; }
  .field select { appearance: none; padding-inline-end: 36px; background-repeat: no-repeat; background-position: right 14px center;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M0 0L6 8L12 0Z' fill='%23112131'/%3E%3C/svg%3E"); }
  @media (hover: hover) and (pointer: fine) { .field input:hover, .field select:hover, .field textarea:hover { border-color: var(--red-ink); } }
  .field input:focus-visible, .field select:focus-visible, .field textarea:focus-visible { outline-offset: 2px; }
  .field input:disabled, .field textarea:disabled, .field select:disabled { background: var(--steel); color: var(--ink-muted); border-color: var(--steel-muted); cursor: not-allowed; }
  .field input:user-invalid, .field textarea:user-invalid, .field select:user-invalid, .field [aria-invalid="true"] { border-color: var(--red-ink); }
  .field:has(:user-invalid) .error, .field:has([aria-invalid="true"]) .error { display: block; }
  .field:has(:valid:not(:placeholder-shown)) input, .field:has(:valid:not(:placeholder-shown)) textarea { border-color: var(--navy); background: color-mix(in oklch, var(--steel) 45%, var(--white)); }
  .form[aria-busy="true"] .field { opacity: .7; pointer-events: none; }
  .check { display: flex; align-items: center; gap: var(--s-3); min-height: 44px; cursor: pointer; }
  .check input { width: 24px; height: 24px; accent-color: var(--red); margin: 0; }
  .form__status { min-height: 1.5em; font-weight: var(--w-display); }
  .form__status[data-state="sent"]  { color: var(--navy); }
  .form__status[data-state="error"] { color: var(--red-ink); }
  .trap { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

  /* ---- hamburger, dialog menu, call bar (house kit) ----------------- */
  .nav-toggle { width: 44px; height: 44px; display: grid; place-items: center; margin-inline-end: -10px; padding: 0; border: 0; background: none; color: var(--white); }
  .nav-toggle__box { position: relative; width: 24px; height: 16px; }
  .nav-toggle__bar { position: absolute; inset-inline: 0; height: 2px; background: currentColor; transition: transform var(--t-open) var(--ease-out), opacity 100ms linear, top var(--t-open) var(--ease-out); }
  .nav-toggle__bar:nth-child(1) { top: 0; }
  .nav-toggle__bar:nth-child(2) { top: 7px; }
  .nav-toggle__bar:nth-child(3) { top: 14px; }
  .nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) { top: 7px; transform: rotate(45deg); }
  .nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) { top: 7px; transform: rotate(-45deg); }
  .mobile-nav { width: 100%; max-width: 100%; height: 100vh; height: 100dvh; max-height: 100dvh; margin: 0; padding: 0; border: 0;
    background: var(--navy); color: var(--white); opacity: 0; translate: 0 -8px;
    transition: opacity var(--t-close) var(--ease-out), translate var(--t-close) var(--ease-out), display var(--t-close) allow-discrete, overlay var(--t-close) allow-discrete; }
  .mobile-nav[open] { opacity: 1; translate: 0 0; transition-duration: var(--t-open); display: flex; flex-direction: column; }
  @starting-style { .mobile-nav[open] { opacity: 0; translate: 0 -8px; } }
  .mobile-nav::backdrop { background: var(--navy); }
  .mobile-nav__inner { display: flex; flex-direction: column; min-height: 0; height: 100%;
    padding-block-start: max(20px, calc(env(safe-area-inset-top) + 12px)); padding-block-end: max(24px, calc(env(safe-area-inset-bottom) + 16px)); padding-inline: max(20px, env(safe-area-inset-left)); }
  .mobile-nav__top { flex: 0 0 auto; display: flex; align-items: center; justify-content: space-between; min-height: 44px; margin-block-end: var(--s-2); }
  .mobile-nav__top img { height: 40px; width: auto; }
  .nav-close { width: 44px; height: 44px; display: grid; place-items: center; margin-inline-end: -10px; border: 0; background: none; color: var(--white); transition: transform var(--t-micro) var(--ease-out); }
  .nav-close:active { transform: scale(.92); }
  .mobile-nav__scroll { flex: 1 1 auto; min-height: 0; overflow-y: auto; overscroll-behavior: contain; -webkit-overflow-scrolling: touch; }
  .mobile-nav__links li + li { border-block-start: 1px solid var(--line-on-navy); }
  .mobile-nav__links a { display: flex; align-items: center; min-height: 56px; font-family: var(--font-display); font-weight: var(--w-display); font-size: clamp(22px, 6vw, 28px); color: var(--white); text-decoration: none; }
  .mobile-nav__links a:active { color: var(--red); }
  .mobile-nav__foot { flex: 0 0 auto; padding-block-start: var(--s-5); }
  .mobile-nav__foot .btn { width: 100%; min-height: 56px; }
  .nav-facts { margin-block-start: var(--s-4); font-size: var(--t-1); line-height: 1.7; color: var(--steel); }
  .nav-facts b { color: var(--white); }
  .call-bar { position: fixed; inset-inline: 0; bottom: 0; z-index: 9; display: flex; padding-block-end: env(safe-area-inset-bottom); background: var(--red); translate: 0 100%; transition: translate var(--t-std) var(--ease-out); }
  .call-bar.is-visible { translate: 0 0; }
  .call-bar a { flex: 1; display: flex; align-items: center; justify-content: center; min-height: var(--callbar-h); color: var(--white); text-decoration: none; font-family: var(--font-display); font-weight: var(--w-display); font-size: var(--t-2); }
  .call-bar a:active { opacity: .85; }
  @media (min-width: 900px) { .call-bar { display: none; } }

  /* ---- footer ------------------------------------------------------------ */
  .site-footer { background: var(--navy); color: var(--steel); padding-block: var(--s-8) var(--s-6); text-align: center; }
  /* The owner prefers the badge on white, so it sits on its own white disc. */
  .site-footer .badge { width: 148px; height: 148px; padding: 10px; margin: 0 auto var(--s-7); background: var(--white); border-radius: 50%; }
  .foot-grid { display: grid; gap: var(--s-6); }
  .foot-grid h3 { color: var(--white); font-size: var(--t-2); margin-block-end: var(--s-2); }
  .foot-grid a { color: var(--steel); }
  .foot-grid li, .foot-grid p { font-size: var(--t-1); line-height: 1.7; margin-inline: auto; }
  @media (min-width: 640px) {
    .foot-grid { grid-template-columns: repeat(3, 1fr); }
    .foot-grid > * + * { border-inline-start: 1px solid var(--line-on-navy); }
  }
  .foot-bottom { display: flex; flex-direction: column; align-items: center; gap: var(--s-3); margin-block-start: var(--s-7); padding-block-start: var(--s-5); border-block-start: 1px solid var(--line-on-navy); font-size: var(--t-1); }
  .foot-bottom img { height: 36px; width: auto; }
  .skip { position: absolute; left: var(--gutter); top: -100px; z-index: 20; background: var(--red); color: var(--white); padding: var(--s-3) var(--s-4); font-weight: var(--w-display); text-decoration: none; }
  .skip:focus { top: var(--s-3); }
}

/* ============================================================ PAGES */
@layer pages {

  /* ---- hero: full-bleed photo, heavier at the bottom, all centered --- */
  .hero { position: relative; isolation: isolate; background: var(--navy); color: var(--white); text-align: center; overflow: hidden; min-height: min(88vh, 820px); display: grid; place-items: center; }
  .hero__bg { position: absolute; inset: 0; z-index: -2; }
  .hero__bg img { width: 100%; height: 100%; object-fit: cover; object-position: center; filter: saturate(.75); }
  .hero__tint { position: absolute; inset: 0; z-index: -1;
    background: linear-gradient(180deg, color-mix(in oklch, var(--navy) 55%, transparent) 0%, color-mix(in oklch, var(--navy) 78%, transparent) 60%, var(--navy) 100%); }
  .hero__copy { position: relative; padding: var(--section) var(--gutter) calc(var(--section) + 5vw); max-width: 920px; margin-inline: auto; }
  .hero__copy h1 { margin: 0 auto; max-width: 16ch; }
  .hero__copy .bar { width: 96px; height: 6px; margin-block: var(--s-5); }
  .hero__copy p  { color: var(--steel); font-size: var(--t-3); margin-inline: auto; max-width: 50ch; }
  .hero__copy .btns { margin-block-start: var(--s-6); }
  .hero__lic { display: block; color: var(--steel); font-size: var(--t-1); margin-block-start: var(--s-5); }

  .facts-band { padding-block: var(--s-6) var(--s-6); }

  .talk { position: relative; overflow-x: clip; overflow-y: visible; text-align: center; }
  .talk .c--mid { position: relative; z-index: 1; }
  .talk h2 { margin-inline: auto; }
  .talk > .c--mid > p { color: var(--steel); margin: var(--s-5) auto 0; font-size: var(--t-3); }
  .talk .c--mid p.pull { max-width: none; color: var(--red); font-family: var(--font-display); font-weight: var(--w-display); font-size: var(--t-4); margin-block-start: var(--s-5); }
  .talk .steps { margin-block-start: var(--s-8); }
  /* Under 1240px it sits above the headline. The tilt adds about 45px above and below the box, so the margins make room for it. */
  .talk .wrench { display: block; width: min(260px, 64vw); height: auto; margin: 16px auto calc(var(--s-5) + 44px); rotate: -18deg; opacity: .22; pointer-events: none; }
  @media (min-width: 1240px) {
    .talk .wrench { position: absolute; margin: 0; width: clamp(260px, 20vw, 340px); right: max(32px, calc((100vw - var(--mid)) / 2 - 360px)); top: 50%; translate: 0 -50%; }
  }

  .emergency { text-align: center; padding-block: var(--s-8); }
  .emergency h2 { margin-inline: auto; }
  .emergency .phone { display: inline-block; color: var(--red-ink); font-family: var(--font-display); font-weight: var(--w-display); font-size: clamp(36px, 7vw, 88px); line-height: 1; text-decoration: none; margin-block: var(--s-5) var(--s-3); }
  .emergency p { color: var(--ink-muted); font-size: var(--t-1); margin-inline: auto; }

  .faq dl { display: grid; gap: var(--s-5); }
  .faq dt { font-family: var(--font-display); font-weight: var(--w-display); font-size: var(--t-3); }
  .faq dd { color: var(--ink-muted); margin-block-start: var(--s-2); padding-block-end: var(--s-5); border-block-end: 1px solid var(--line-on-white); }

  /* ---- interior page top: photo band, centered ----------------------- */
  .page-top { position: relative; isolation: isolate; background: var(--navy); color: var(--white); text-align: center; overflow: hidden; }
  .page-top .hero__bg img { filter: saturate(.6); }
  .page-top__copy { position: relative; padding: calc(var(--section) + 24px) var(--gutter); max-width: 820px; margin-inline: auto; }
  .page-top__copy h1 { font-size: var(--t-h2); margin-inline: auto; }
  .page-top__copy p { color: var(--steel); font-size: var(--t-3); margin: var(--s-4) auto 0; }

  /* ---- services: jump bar plus alternating case blocks ---------------- */
  .jump { position: sticky; top: var(--header-h); z-index: 5; background: var(--white); border-block-end: 1px solid var(--line-on-white); }
  .jump ul { display: flex; gap: var(--s-2); overflow-x: auto; padding-block: var(--s-2); scrollbar-width: none; }
  .jump li { flex: none; }
  .jump a { display: block; padding: var(--s-2) var(--s-3); font-family: var(--font-display); font-weight: var(--w-display); font-size: var(--t-1); text-decoration: none; white-space: nowrap; border-block-end: 3px solid transparent; }
  .jump a.is-active { border-color: var(--red); color: var(--red-ink); }
  @media (min-width: 900px) { .jump ul { justify-content: center; } }
  .case { display: grid; gap: var(--s-5); padding-block: var(--s-7); align-items: center; }
  .case + .case { border-block-start: 1px solid var(--line-on-white); }
  .case h2 { font-size: var(--t-6); margin-block-end: var(--s-3); }
  .case p  { color: var(--ink-muted); }
  .case ul { columns: 2; column-gap: var(--s-6); margin-block: var(--s-4); }
  .case li { break-inside: avoid; padding-block: var(--s-2); border-block-end: 1px solid var(--line-on-white); font-size: var(--t-1); }
  .case .tag { color: var(--red-ink); font-weight: var(--w-display); font-size: var(--t-1); }
  @media (min-width: 900px) {
    .case { grid-template-columns: 5fr 6fr; gap: var(--s-8); padding-block: var(--s-8); }
    .case:nth-child(even) .photo { order: 2; }
  }

  /* ---- about: the letter, centered, red margin line kept ------------- */
  .letter { position: relative; max-width: 720px; margin-inline: auto; padding: var(--section) var(--gutter) var(--section) calc(var(--gutter) + 24px); }
  .letter::before { content: ""; position: absolute; top: 0; bottom: 0; left: var(--gutter); width: var(--line-w); background: var(--red); }
  .letter h1 { font-size: var(--t-h2); margin-block-end: var(--s-6); }
  .letter p { font-size: var(--t-3); max-width: 58ch; margin-block-end: var(--s-5); }
  .letter .pull { color: var(--red-ink); font-family: var(--font-display); font-weight: var(--w-display); font-size: var(--t-4); }
  .letter .breakout { margin-block: var(--s-7); }
  @media (min-width: 1100px) { .letter .breakout { margin-inline-end: -220px; } }
  .letter figcaption { color: var(--ink-muted); font-size: var(--t-1); padding-block-start: var(--s-3); }
  .letter .sig { margin-block: var(--s-7) var(--s-5); }
  .letter .sig b { display: block; }
  .letter .sig span { color: var(--red-ink); font-weight: var(--w-display); }
  .about-facts { padding-block: var(--s-6); }

  /* ---- contact: form beside the facts box ---------------------------- */
  .contact { display: grid; gap: var(--s-7); }
  @media (min-width: 900px) { .contact { grid-template-columns: 7fr 5fr; gap: var(--s-8); align-items: start; } }
  .contact-form h2 { font-size: var(--t-5); margin-block-end: var(--s-5); }
  .contact-form .fine { color: var(--ink-muted); font-size: var(--t-1); }
  .sidebar { background: var(--steel); border-block-start: 6px solid var(--red); padding: var(--s-6) var(--s-5); }
  .sidebar dl { display: grid; gap: var(--s-4); }
  .sidebar dt { font-family: var(--font-display); font-weight: var(--w-display); font-size: var(--t-1); }
  .sidebar dd { color: var(--ink-muted); padding-block-end: var(--s-4); border-block-end: 1px solid var(--line-on-white); }
  .sidebar dd.big a { color: var(--red-ink); font-family: var(--font-display); font-weight: var(--w-display); font-size: clamp(28px, 3vw, 40px); line-height: 1; text-decoration: none; }

  /* ---- 404 ---------------------------------------------------------------- */
  .lost { min-height: 60vh; text-align: center; }
  .lost h1 { margin-inline: auto; }
  .lost p { margin: var(--s-4) auto 0; }
  .lost ul { display: grid; gap: var(--s-3); margin-block-start: var(--s-6); }
  .lost a { font-family: var(--font-display); font-weight: var(--w-display); font-size: var(--t-4); }
}

/* =========================================================== MOTION */
@layer motion {
  /* 1. Arrival: the hero copy rises in sequence and the bar draws, once per session. */
  [data-arrive] .hero__copy > * { animation: rise .7s var(--ease-out) both; }
  [data-arrive] .hero__copy > :nth-child(2) { animation: draw .6s var(--ease-out) .35s both; }
  [data-arrive] .hero__copy > :nth-child(3) { animation-delay: .2s; }
  [data-arrive] .hero__copy > :nth-child(4) { animation-delay: .3s; }
  [data-arrive] .hero__copy > :nth-child(5) { animation-delay: .4s; }
  [data-arrive] .hero__bg img { animation: settle 1.6s var(--ease-out) both; }
  @keyframes rise   { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
  @keyframes draw   { from { transform: scaleX(0); } to { transform: scaleX(1); } }
  @keyframes settle { from { transform: scale(1.06); } to { transform: none; } }

  /* 2. Scroll-in: each section's pieces come up as it enters the viewport.
     site.js adds .is-in once. Only when JS is present, so nothing can be
     stuck hidden. Reduced motion shows everything at rest. */
  html.js .rv { opacity: 0; transform: translateY(22px); transition: opacity .7s var(--ease-out), transform .7s var(--ease-out); transition-delay: calc(var(--i, 0) * 80ms); }
  html.js .rv--scale { transform: scale(.94); }
  html.js .rv--left { transform: translateX(-28px); }
  html.js .rv--right { transform: translateX(28px); }
  html.js .rv--bar { opacity: 1; transform: scaleX(0); }
  html.js .is-in .rv, html.js .rv.is-in { opacity: 1; transform: none; }
  html.js .talk .wrench.rv { transform: translateX(80px) rotate(14deg); transition-duration: 1.1s; transition-delay: .45s; }
  html.js .talk.is-in .wrench.rv { opacity: .22; transform: none; }

  @view-transition { navigation: auto; }

  @media (prefers-reduced-motion: reduce) {
    [data-arrive] .hero__copy > *, [data-arrive] .hero__bg img { animation: none; }
    html.js .rv { opacity: 1; transform: none; transition: none; }
    html.js .talk .wrench.rv { opacity: .22; transform: none; }
    .btn, .mobile-nav, .mobile-nav[open], .call-bar, .nav-toggle__bar, .desktop-nav a::after { transition-duration: 1ms; }
    ::view-transition-group(*), ::view-transition-old(*), ::view-transition-new(*) { animation: none !important; }
  }
}

/* ======================================================== UTILITIES */
@layer utilities {
  .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
  .center { text-align: center; }
  p.center { max-width: none; }
  .mt-4 { margin-block-start: var(--s-4); }
  .mt-6 { margin-block-start: var(--s-6); }
  .mt-7 { margin-block-start: var(--s-7); }
  .placeholder-note { display: block; font-size: var(--t-1); color: var(--red-ink); font-weight: var(--w-display); }
  @media (max-width: 639px) { .hide-sm { display: none; } .brand img { height: 40px; } }
}